Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
I won't tell here, but you can read all about it in Bill Selby's compact and excellent book "Montè, King of Atom-Age Monster Decals!"
Source: https://boingboing.net/2023/10/04/who-created-rat-fink.html